读取srtm高程影像tif格式，获取它的高程

[{"title":"（ 73 个子文件 14.24MB ） 读取srtm高程影像tif格式，获取它的高程","children":[{"title":"gdal15.dll <span style='color:#111;'> 5.53MB </span>","children":null,"spread":false},{"title":"把gdal15复制到debug文件夹中.txt <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"读取DEM","children":[{"title":"test.opt <span style='color:#111;'> 52.50KB </span>","children":null,"spread":false},{"title":"test.h <span style='color:#111;'> 1.30KB </span>","children":null,"spread":false},{"title":"StdAfx.cpp <span style='color:#111;'> 206B </span>","children":null,"spread":false},{"title":"test.plg <span style='color:#111;'> 242B </span>","children":null,"spread":false},{"title":"resource.h <span style='color:#111;'> 638B </span>","children":null,"spread":false},{"title":"test.ncb <span style='color:#111;'> 73.00KB </span>","children":null,"spread":false},{"title":"testView.cpp <span style='color:#111;'> 3.10KB </span>","children":null,"spread":false},{"title":"test.cpp <span 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